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  1. Earth

    Robots map largest underwater volcanic eruption in 100 years

    High-resolution mapping of a 2012 underwater volcanic eruption just goes to show there’s a lot we don’t know about deep-sea volcanism.

    By Helen Thompson
  2. Tech

    Lasers trace a new way to create hovering hologram-like images

    Hovering 3-D images pave the way for futuristic displays that could be used for education or entertainment.

    By Maria Temming
  3. Anthropology

    Human brains rounded into shape over 200,000 years or more

    Ancient humans’ brains slowly but surely became round, scientists say.

    By Bruce Bower
  4. Science & Society

    Memory remains elusive, but the search continues

    Acting Editor in Chief Elizabeth Quill explores the history of memory and scientists' search for its physical trace in our brains.